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Individual Calculations December 2023 |
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| Han, Qixiang Total change: -7.20 | |   |
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| 46th Scarborough Congress | Scarborough | ENG | 2023-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1671 | 1.50 | 5 | 0.41 | 40 | 16.40 | |
|  Varley, Joe | | | 1967 | ENG | 0.00 | 1 | -0.15 | 40 | -6.00 | |  McLean, Robert | | | 1892 | ENG | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Keely, Leo A | | | 1927 | ENG | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Karumazondo, Ernest | | | 1934 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Blackford, Ross | | | 1780 | SCO | 0.00 | 1 | -0.35 | 40 | -14.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Wimbledon FIDE Congress | London | ENG | 2023-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1625 | 1719 | 2.00 | 2 | 0.75 | 40 | 30.00 | |
| | Sandbrink, Kai | | | 1673 | SUI | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Subin, Samvrit | | | 1576 | ENG | 1.00 | 1 | 0.31 | 40 | 12.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Muswell Hill FIDE Standard 14 November | London | ENG | 2023-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1508 | 1719 | 2.00 | 2 | 0.46 | 40 | 18.40 | |
| | Ortolani, Paolo | | | 1511 | ITA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Pride, Stephen C | | | 1505 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Southall FIDE Congress November 2023 - U1900 | Southall | ENG | 2023-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1719 | 1.50 | 4 | -1.77 | 40 | -70.80 | |
| | Mrozowski, Nikodem | | | 1431 | POL | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Katukuri, Aarav | | | 1309 | ENG | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Gagan, B R | | | 1473 | IND | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Cuthbert, Larissa | | | 1566 | ENG | 1.00 | 1 | 0.30 | 40 | 12.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Muswell Hill FIDE Standard 21 November | London | ENG | 2023-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1719 | 1.00 | 2 | -0.16 | 40 | -6.40 | |
| | Llewellyn, Julian D | | | 1800 | ENG | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Pride, Stephen C | | | 1505 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Coulsdon Chess Late Autumn Standardplay Congress - 25th -26th November 2023 - Open | Coulsdon | ENG | 2023-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1719 | 0.50 | 2 | 0.13 | 40 | 5.20 | |
| | Bharat Kumar, Balahari | | | 1952 | ENG | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Iyengar, Ilya | | | 1999 | ENG | 0.00 | 1 | -0.16 | 40 | -6.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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